TB 9-6625-357-35
(1) Set frequency dial to 2 and selector switch to LOW PASS X10K.
(2) Short INPUT 1.
(3) Connect OUTPUT 1 terminals to multimeter. Noise level as indicated on
(4) Adjust autotransformer output from 105 to 125 V. Multimeter indication will
not exceed 100 V.
(6) Repeat technique of (1) through (6) above for INPUT 2.
b. Adjustments. No adjustments can be made.
9. Cutoff Frequency Dial Accuracy and
Insertion Loss
a. Performance Check
(1) Connect equipment as shown in figure 1, using termination at TI INPUT 1.
Figure 1. Dial accuracy check -
equipment setup.
(2) Set selector switch to LOW PASS X1K.
amplitude to 1 V as indicated on true rms voltmeter.